Any of various instruments for comparing a measured property of an object, such as its shape, color, or brightness, with a standard.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "comparator" in a sentence
"This multicenter, double blind, randomized, repeat dose placebo controlled study will include an open label comparator arm and will evaluate approximately 90 postmenopausal osteoporotic women for a period of 24 weeks."
"The control arm is also called the "comparator arm.""
"Ten years ago, suits against mothers were often stymied because courts could not find a suitable "comparator" -- a similarly situated pregnant man."